[INFO] fetching crate bv 0.11.1...
[INFO] checking bv-0.11.1 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate bv 0.11.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bv 0.11.1 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bv 0.11.1
[INFO] finished tweaking crates.io crate bv 0.11.1
[INFO] tweaked toml for crates.io crate bv 0.11.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d450a5095ed884e56624107498d542ef243fb1e554b62df5246713d93829eeb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3d450a5095ed884e56624107498d542ef243fb1e554b62df5246713d93829eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d450a5095ed884e56624107498d542ef243fb1e554b62df5246713d93829eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d450a5095ed884e56624107498d542ef243fb1e554b62df5246713d93829eeb", kill_on_drop: false }`
[INFO] [stdout] 3d450a5095ed884e56624107498d542ef243fb1e554b62df5246713d93829eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 836c4020ca1d52f5a1044b1054628ef25a2cc1a7f22eadd4900018f1c4935342
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "836c4020ca1d52f5a1044b1054628ef25a2cc1a7f22eadd4900018f1c4935342", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling bv v0.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/slice.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 (chunk1 | (chunk2 << shift2))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/adapter/bit_slice_adapter.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |         (start + len - real_start)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/slice.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 (chunk1 | (chunk2 << shift2))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/adapter/bit_slice_adapter.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |         (start + len - real_start)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "836c4020ca1d52f5a1044b1054628ef25a2cc1a7f22eadd4900018f1c4935342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836c4020ca1d52f5a1044b1054628ef25a2cc1a7f22eadd4900018f1c4935342", kill_on_drop: false }`
[INFO] [stdout] 836c4020ca1d52f5a1044b1054628ef25a2cc1a7f22eadd4900018f1c4935342